<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>网页计算器</title>
    <link rel="shortcut icon" href="favicon.ico" />
    <link rel="apple-touch-icon" href="favicon.ico" />
</head>

<body>
    <br>
    <a href="/">首页</a>
    <a href="/login.html">登录注册</a>
    <a href="/shell.html">远程连接</a>
    <br>

    <h1>欢迎使用网络计算器</h1>

    <form action="/calc" method="POST">
        X : <input type="text" name="first_number" value="1">
        <br>
        Y : <input type="text" name="second_number" value="1">
        <br>
        <input type="submit" value="提交">
    </form>
</body>

</html>